Interesting Images!

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Michele
Posts: 384
Joined: Tue Dec 06, 2005 10:40 am

Interesting Images!

Post by Michele »

Good Morning,

I’m attaching 4 images that were sent to me (THANK YOU for sharing!). All the images are of the same finger (rolled and flats from 2018 and 2020); they are not before and after. I thought I’d attach them all in case people would like to see additional images with different amounts of pressure. The pressure makes one part of the scar look like a crease in some images.

I’m wondering, does anyone have any ideas on how the injury (scar) resulted in the extra whorl? It’s interesting that the whorl to the left appears to be finer ridges close together, and the whorl to the right appears to have thicker ridges spaced further apart (not only in the injured area but all over).

I’d love to hear your thoughts. I sent this to a bunch of people by email as well.
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Michele
The best way to escape from a problem is to solve it. Alan Saporta
There is nothing so useless as doing efficiently that which should not be done at all. Peter Drucker
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Michele
Posts: 384
Joined: Tue Dec 06, 2005 10:40 am

Re: Interesting Images!

Post by Michele »

And here are the 2020 images.
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Michele
The best way to escape from a problem is to solve it. Alan Saporta
There is nothing so useless as doing efficiently that which should not be done at all. Peter Drucker
(Applies to a full A prior to C and blind verification)
Texas Pat
Posts: 35
Joined: Mon Aug 17, 2020 7:15 am

Re: Interesting Images!

Post by Texas Pat »

I’d love to hear your thoughts.
Well, my first thought was OUCH!!!

Maybe Alice can instruct us in the attachment of the epidermis to the underlying tissue in scar tissue, and why it might sometimes more closely resemble a skin wrinkle than an overt scar.
"A pretty good 20th Century latent print examiner, stuck now in the 21st Century with no way to go back."
anwilson
Posts: 28
Joined: Tue Mar 24, 2015 1:25 pm

Re: Interesting Images!

Post by anwilson »

That type of scar is most likely due to a loss of support structures like fat/muscle that couldn't be replaced during the healing process. What could be repaired flowed in to fill what looks like would have been a pretty significant gap in the skin. I think the appearance of the whorl on the right is just coincidental to the healing process and loss of some underlying support.

I used to create artificial scars in vitro all the time. It's pretty cool to see how cells move to fill space. Thanks for sharing!
bficken
Posts: 57
Joined: Mon Jan 10, 2011 9:39 am

Re: Interesting Images!

Post by bficken »

My instinct says this may be a case of skin grafting. If this were an instance where someone received an injury and their own ridges grew back in a slightly different location on the finger (in this case off to the side) - I would expect to see the same pattern and same arrangement of minutiae. Almost like a double tap. However, there are clear features in the left whorl that are absent from the right whorl, and visa versa. A regular ol scar may cause added/dropped minutiae a couple of times, but I feel it would be weird to have it cause as MANY differences as are present here.

I think the whorl on the left may be the original pattern on this subject's finger. And at some point they sustained an injury that necessitated skin grafting to heal. The square-like shape in the upper right quadrant (which contains the second whorl) would then be from an entirely different finger.

No idea, but that's my guess :-) Hope Alice weighs in haha.

Brianne B.
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